Material & Coating | Outdoor/Industrial, RVs | Industry: Plain steel (ASTM A36, rust-prone) Base: Zinc-coated steel (ASTM A153, 48hr salt spray resistance) ▲ Advanced: 304 Stainless Steel (ASTM A240, 1000hr salt spray resistance) ▲▲ | Base: Moderate cost; Advanced: Highest durability for harsh environments | Base: Requires occasional maintenance; Advanced: Higher upfront cost |
Load Capacity | Heavy-duty storage, RV doors | Industry: 50 lbs (ASTM B117) Base: 100 lbs (ASTM B117) ▲ Advanced: 200 lbs (ASTM B117) ▲▲ | Base: Supports average household use; Advanced: Ideal for industrial loads | Base: Overkill for light use; Advanced: Unnecessary for residential needs |
Corrosion Resistance | Marine environments, kitchens | Industry: Uncoated (no standard) Base: ASTM A153 coating ▲ (48hr salt spray) Advanced: 304 Stainless ▲▲ (ASTM A240, 1000hr salt spray) | Base: Better than bare steel; Advanced: Resists saltwater and chemicals | Base: Limited longevity in extreme conditions; Advanced: Maintenance-free but costly |
Adjustability | Custom door positions | Industry: Fixed (no adjustment) Base: 2 adjustment points (±10° tilt) ▲ Advanced: 4 points (±15° tilt) ▲▲ | Base: Basic customization; Advanced: Precision alignment for uneven surfaces | Base: Limited flexibility; Advanced: Requires time for fine-tuning |
Locking Mechanism | Secure storage areas | Industry: No lock Base: Basic lock (ANSI/BHMA A156.1) ▲ Advanced: Tamper-resistant lock (ANSI/BHMA A156.12) ▲▲ | Base: Deters casual tampering; Advanced: Meets commercial security standards | Base: Vulnerable to forced entry; Advanced: Adds complexity to installation |
Installation Ease | DIY projects | Industry: Requires professional tools Base: Pre-drilled holes (easy DIY) ▲ Advanced: Tool-free assembly ▲▲ | Base: Minimal tools needed; Advanced: No screws or drilling | Base: Moderate skill required; Advanced: Requires specific alignment tools |